package com.itheima.provider.controller;

import com.itheima.provider.dao.GoodsDao;
import com.itheima.provider.domain.Goods;
import com.itheima.provider.service.GoodsService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;

/**
 * Goods Controller 服务提供方
 */

@RestController
@RequestMapping("/goods")
public class GoodsController {

    @Autowired
    private GoodsService goodsService;

    @Value("${server.port}")
    private int port;

    /**
     * 降级：
     * 1.出现异常
     * 2.服务调用超时也会出现降级的情况
     * 默认1秒钟服务超时
     * @param id
     * @return
     */

    @GetMapping("/findOne/{id}")
    @HystrixCommand(fallbackMethod = "findOne_fallback") //指定降级后调用的方法
    public Goods findOne(@PathVariable("id") int id){


        if (id == 1){
            //制造一个异常
            int i = 3/0;
        }

//        try {
//            //睡眠2秒钟
//            Thread.sleep(2000);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }


        Goods goods = goodsService.findOne(id);

        goods.setTitle(goods.getTitle() + ":" + port);//将端口号，设置到了 商品标题上
        return goods;
    }


    /**
     * 定义降级的方法
     * 1.方法的返回值需要和原方法一样
     * 2.方法的参数需要和原方法一样
     */

    public Goods findOne_fallback(int id){
        Goods goods = new Goods();
        goods.setTitle("降级了...");
        return goods;
    }
}
